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4b1bf81c | 1 | /** @file\r |
2 | Pei USB ATATPI command implementations.\r | |
3 | \r | |
4 | Copyright (c) 1999 - 2010, Intel Corporation. All rights reserved.<BR>\r | |
5 | \r | |
6 | This program and the accompanying materials\r | |
7 | are licensed and made available under the terms and conditions\r | |
8 | of the BSD License which accompanies this distribution. The\r | |
9 | full text of the license may be found at\r | |
10 | http://opensource.org/licenses/bsd-license.php\r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
17 | #include "UsbBotPeim.h"\r | |
18 | #include "BotPeim.h"\r | |
19 | \r | |
20 | #define MAXSENSEKEY 5\r | |
21 | \r | |
22 | /**\r | |
23 | Sends out ATAPI Inquiry Packet Command to the specified device. This command will\r | |
24 | return INQUIRY data of the device.\r | |
25 | \r | |
26 | @param PeiServices The pointer of EFI_PEI_SERVICES.\r | |
27 | @param PeiBotDevice The pointer to PEI_BOT_DEVICE instance.\r | |
28 | \r | |
29 | @retval EFI_SUCCESS Inquiry command completes successfully.\r | |
30 | @retval EFI_DEVICE_ERROR Inquiry command failed.\r | |
31 | \r | |
32 | **/\r | |
33 | EFI_STATUS\r | |
34 | PeiUsbInquiry (\r | |
35 | IN EFI_PEI_SERVICES **PeiServices,\r | |
36 | IN PEI_BOT_DEVICE *PeiBotDevice\r | |
37 | )\r | |
38 | {\r | |
39 | ATAPI_PACKET_COMMAND Packet;\r | |
40 | EFI_STATUS Status;\r | |
41 | ATAPI_INQUIRY_DATA Idata;\r | |
42 | \r | |
43 | //\r | |
44 | // fill command packet\r | |
45 | //\r | |
46 | ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));\r | |
47 | ZeroMem (&Idata, sizeof (ATAPI_INQUIRY_DATA));\r | |
48 | \r | |
49 | Packet.Inquiry.opcode = ATA_CMD_INQUIRY;\r | |
50 | Packet.Inquiry.page_code = 0;\r | |
51 | Packet.Inquiry.allocation_length = 36;\r | |
52 | \r | |
53 | //\r | |
54 | // Send scsi INQUIRY command packet.\r | |
55 | // According to SCSI Primary Commands-2 spec, host only needs to\r | |
56 | // retrieve the first 36 bytes for standard INQUIRY data.\r | |
57 | //\r | |
58 | Status = PeiAtapiCommand (\r | |
59 | PeiServices,\r | |
60 | PeiBotDevice,\r | |
61 | &Packet,\r | |
62 | (UINT8) sizeof (ATAPI_PACKET_COMMAND),\r | |
63 | &Idata,\r | |
64 | 36,\r | |
65 | EfiUsbDataIn,\r | |
66 | 2000\r | |
67 | );\r | |
68 | \r | |
69 | if (EFI_ERROR (Status)) {\r | |
70 | return EFI_DEVICE_ERROR;\r | |
71 | }\r | |
72 | \r | |
73 | if ((Idata.peripheral_type & 0x1f) == 0x05) {\r | |
74 | PeiBotDevice->DeviceType = USBCDROM;\r | |
75 | PeiBotDevice->Media.BlockSize = 0x800;\r | |
76 | } else {\r | |
77 | PeiBotDevice->DeviceType = USBFLOPPY;\r | |
78 | PeiBotDevice->Media.BlockSize = 0x200;\r | |
79 | }\r | |
80 | \r | |
81 | return EFI_SUCCESS;\r | |
82 | }\r | |
83 | \r | |
84 | /**\r | |
85 | Sends out ATAPI Test Unit Ready Packet Command to the specified device\r | |
86 | to find out whether device is accessible.\r | |
87 | \r | |
88 | @param PeiServices The pointer of EFI_PEI_SERVICES.\r | |
89 | @param PeiBotDevice The pointer to PEI_BOT_DEVICE instance.\r | |
90 | \r | |
91 | @retval EFI_SUCCESS TestUnit command executed successfully.\r | |
92 | @retval EFI_DEVICE_ERROR Device cannot be executed TestUnit command successfully.\r | |
93 | \r | |
94 | **/\r | |
95 | EFI_STATUS\r | |
96 | PeiUsbTestUnitReady (\r | |
97 | IN EFI_PEI_SERVICES **PeiServices,\r | |
98 | IN PEI_BOT_DEVICE *PeiBotDevice\r | |
99 | )\r | |
100 | {\r | |
101 | ATAPI_PACKET_COMMAND Packet;\r | |
102 | EFI_STATUS Status;\r | |
103 | \r | |
104 | //\r | |
105 | // fill command packet\r | |
106 | //\r | |
107 | ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));\r | |
108 | Packet.TestUnitReady.opcode = ATA_CMD_TEST_UNIT_READY;\r | |
109 | \r | |
110 | //\r | |
111 | // send command packet\r | |
112 | //\r | |
113 | Status = PeiAtapiCommand (\r | |
114 | PeiServices,\r | |
115 | PeiBotDevice,\r | |
116 | &Packet,\r | |
117 | (UINT8) sizeof (ATAPI_PACKET_COMMAND),\r | |
118 | NULL,\r | |
119 | 0,\r | |
120 | EfiUsbNoData,\r | |
121 | 2000\r | |
122 | );\r | |
123 | \r | |
124 | if (EFI_ERROR (Status)) {\r | |
125 | return EFI_DEVICE_ERROR;\r | |
126 | }\r | |
127 | \r | |
128 | return EFI_SUCCESS;\r | |
129 | }\r | |
130 | \r | |
131 | /**\r | |
132 | Sends out ATAPI Request Sense Packet Command to the specified device.\r | |
133 | \r | |
134 | @param PeiServices The pointer of EFI_PEI_SERVICES.\r | |
135 | @param PeiBotDevice The pointer to PEI_BOT_DEVICE instance.\r | |
136 | @param SenseCounts Length of sense buffer.\r | |
137 | @param SenseKeyBuffer Pointer to sense buffer.\r | |
138 | \r | |
139 | @retval EFI_SUCCESS Command executed successfully.\r | |
140 | @retval EFI_DEVICE_ERROR Some device errors happen.\r | |
141 | \r | |
142 | **/\r | |
143 | EFI_STATUS\r | |
144 | PeiUsbRequestSense (\r | |
145 | IN EFI_PEI_SERVICES **PeiServices,\r | |
146 | IN PEI_BOT_DEVICE *PeiBotDevice,\r | |
147 | OUT UINTN *SenseCounts,\r | |
148 | IN UINT8 *SenseKeyBuffer\r | |
149 | )\r | |
150 | {\r | |
151 | EFI_STATUS Status;\r | |
152 | ATAPI_PACKET_COMMAND Packet;\r | |
153 | UINT8 *Ptr;\r | |
154 | BOOLEAN SenseReq;\r | |
155 | ATAPI_REQUEST_SENSE_DATA *Sense;\r | |
156 | \r | |
157 | *SenseCounts = 0;\r | |
158 | \r | |
159 | //\r | |
160 | // fill command packet for Request Sense Packet Command\r | |
161 | //\r | |
162 | ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));\r | |
163 | Packet.RequestSence.opcode = ATA_CMD_REQUEST_SENSE;\r | |
164 | Packet.RequestSence.allocation_length = (UINT8) sizeof (ATAPI_REQUEST_SENSE_DATA);\r | |
165 | \r | |
166 | Ptr = SenseKeyBuffer;\r | |
167 | \r | |
168 | SenseReq = TRUE;\r | |
169 | \r | |
170 | //\r | |
171 | // request sense data from device continuously\r | |
172 | // until no sense data exists in the device.\r | |
173 | //\r | |
174 | while (SenseReq) {\r | |
175 | Sense = (ATAPI_REQUEST_SENSE_DATA *) Ptr;\r | |
176 | \r | |
177 | //\r | |
178 | // send out Request Sense Packet Command and get one Sense\r | |
179 | // data form device.\r | |
180 | //\r | |
181 | Status = PeiAtapiCommand (\r | |
182 | PeiServices,\r | |
183 | PeiBotDevice,\r | |
184 | &Packet,\r | |
185 | (UINT8) sizeof (ATAPI_PACKET_COMMAND),\r | |
186 | (VOID *) Ptr,\r | |
187 | sizeof (ATAPI_REQUEST_SENSE_DATA),\r | |
188 | EfiUsbDataIn,\r | |
189 | 2000\r | |
190 | );\r | |
191 | \r | |
192 | //\r | |
193 | // failed to get Sense data\r | |
194 | //\r | |
195 | if (EFI_ERROR (Status)) {\r | |
196 | if (*SenseCounts == 0) {\r | |
197 | return EFI_DEVICE_ERROR;\r | |
198 | } else {\r | |
199 | return EFI_SUCCESS;\r | |
200 | }\r | |
201 | }\r | |
202 | \r | |
203 | if (Sense->sense_key != ATA_SK_NO_SENSE) {\r | |
204 | \r | |
205 | Ptr += sizeof (ATAPI_REQUEST_SENSE_DATA);\r | |
206 | //\r | |
207 | // Ptr is byte based pointer\r | |
208 | //\r | |
209 | (*SenseCounts)++;\r | |
210 | \r | |
211 | if (*SenseCounts == MAXSENSEKEY) {\r | |
212 | break;\r | |
213 | }\r | |
214 | \r | |
215 | } else {\r | |
216 | //\r | |
217 | // when no sense key, skip out the loop\r | |
218 | //\r | |
219 | SenseReq = FALSE;\r | |
220 | }\r | |
221 | }\r | |
222 | \r | |
223 | return EFI_SUCCESS;\r | |
224 | }\r | |
225 | \r | |
226 | /**\r | |
227 | Sends out ATAPI Read Capacity Packet Command to the specified device.\r | |
228 | This command will return the information regarding the capacity of the\r | |
229 | media in the device.\r | |
230 | \r | |
231 | @param PeiServices The pointer of EFI_PEI_SERVICES.\r | |
232 | @param PeiBotDevice The pointer to PEI_BOT_DEVICE instance.\r | |
233 | \r | |
234 | @retval EFI_SUCCESS Command executed successfully.\r | |
235 | @retval EFI_DEVICE_ERROR Some device errors happen.\r | |
236 | \r | |
237 | **/\r | |
238 | EFI_STATUS\r | |
239 | PeiUsbReadCapacity (\r | |
240 | IN EFI_PEI_SERVICES **PeiServices,\r | |
241 | IN PEI_BOT_DEVICE *PeiBotDevice\r | |
242 | )\r | |
243 | {\r | |
244 | EFI_STATUS Status;\r | |
245 | ATAPI_PACKET_COMMAND Packet;\r | |
246 | ATAPI_READ_CAPACITY_DATA Data;\r | |
247 | \r | |
248 | ZeroMem (&Data, sizeof (ATAPI_READ_CAPACITY_DATA));\r | |
249 | ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));\r | |
250 | \r | |
251 | Packet.Inquiry.opcode = ATA_CMD_READ_CAPACITY;\r | |
252 | \r | |
253 | //\r | |
254 | // send command packet\r | |
255 | //\r | |
256 | Status = PeiAtapiCommand (\r | |
257 | PeiServices,\r | |
258 | PeiBotDevice,\r | |
259 | &Packet,\r | |
260 | (UINT8) sizeof (ATAPI_PACKET_COMMAND),\r | |
261 | (VOID *) &Data,\r | |
262 | sizeof (ATAPI_READ_CAPACITY_DATA),\r | |
263 | EfiUsbDataIn,\r | |
264 | 2000\r | |
265 | );\r | |
266 | \r | |
267 | if (EFI_ERROR (Status)) {\r | |
268 | return EFI_DEVICE_ERROR;\r | |
269 | }\r | |
270 | \r | |
271 | PeiBotDevice->Media.LastBlock = (Data.LastLba3 << 24) | (Data.LastLba2 << 16) | (Data.LastLba1 << 8) | Data.LastLba0;\r | |
272 | \r | |
273 | PeiBotDevice->Media.MediaPresent = TRUE;\r | |
274 | \r | |
275 | return EFI_SUCCESS;\r | |
276 | }\r | |
277 | \r | |
278 | /**\r | |
279 | Sends out ATAPI Read Format Capacity Data Command to the specified device.\r | |
280 | This command will return the information regarding the capacity of the\r | |
281 | media in the device.\r | |
282 | \r | |
283 | @param PeiServices The pointer of EFI_PEI_SERVICES.\r | |
284 | @param PeiBotDevice The pointer to PEI_BOT_DEVICE instance.\r | |
285 | \r | |
286 | @retval EFI_SUCCESS Command executed successfully.\r | |
287 | @retval EFI_DEVICE_ERROR Some device errors happen.\r | |
288 | \r | |
289 | **/\r | |
290 | EFI_STATUS\r | |
291 | PeiUsbReadFormattedCapacity (\r | |
292 | IN EFI_PEI_SERVICES **PeiServices,\r | |
293 | IN PEI_BOT_DEVICE *PeiBotDevice\r | |
294 | )\r | |
295 | {\r | |
296 | EFI_STATUS Status;\r | |
297 | ATAPI_PACKET_COMMAND Packet;\r | |
298 | ATAPI_READ_FORMAT_CAPACITY_DATA FormatData;\r | |
299 | \r | |
300 | ZeroMem (&FormatData, sizeof (ATAPI_READ_FORMAT_CAPACITY_DATA));\r | |
301 | ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));\r | |
302 | \r | |
303 | Packet.ReadFormatCapacity.opcode = ATA_CMD_READ_FORMAT_CAPACITY;\r | |
304 | Packet.ReadFormatCapacity.allocation_length_lo = 12;\r | |
305 | \r | |
306 | //\r | |
307 | // send command packet\r | |
308 | //\r | |
309 | Status = PeiAtapiCommand (\r | |
310 | PeiServices,\r | |
311 | PeiBotDevice,\r | |
312 | &Packet,\r | |
313 | (UINT8) sizeof (ATAPI_PACKET_COMMAND),\r | |
314 | (VOID *) &FormatData,\r | |
315 | sizeof (ATAPI_READ_FORMAT_CAPACITY_DATA),\r | |
316 | EfiUsbDataIn,\r | |
317 | 2000\r | |
318 | );\r | |
319 | \r | |
320 | if (EFI_ERROR (Status)) {\r | |
321 | return EFI_DEVICE_ERROR;\r | |
322 | }\r | |
323 | \r | |
324 | if (FormatData.DesCode == 3) {\r | |
325 | //\r | |
326 | // Media is not present\r | |
327 | //\r | |
328 | PeiBotDevice->Media.MediaPresent = FALSE;\r | |
329 | PeiBotDevice->Media.LastBlock = 0;\r | |
330 | \r | |
331 | } else {\r | |
332 | \r | |
333 | PeiBotDevice->Media.LastBlock = (FormatData.LastLba3 << 24) | (FormatData.LastLba2 << 16) | (FormatData.LastLba1 << 8) | FormatData.LastLba0;\r | |
334 | \r | |
335 | PeiBotDevice->Media.LastBlock--;\r | |
336 | \r | |
337 | PeiBotDevice->Media.MediaPresent = TRUE;\r | |
338 | }\r | |
339 | \r | |
340 | return EFI_SUCCESS;\r | |
341 | }\r | |
342 | \r | |
343 | /**\r | |
344 | Execute Read(10) ATAPI command on a specific SCSI target.\r | |
345 | \r | |
346 | Executes the ATAPI Read(10) command on the ATAPI target specified by PeiBotDevice.\r | |
347 | \r | |
348 | @param PeiServices The pointer of EFI_PEI_SERVICES.\r | |
349 | @param PeiBotDevice The pointer to PEI_BOT_DEVICE instance.\r | |
350 | @param Buffer The pointer to data buffer.\r | |
351 | @param Lba The start logic block address of reading.\r | |
352 | @param NumberOfBlocks The block number of reading.\r | |
353 | \r | |
354 | @retval EFI_SUCCESS Command executed successfully.\r | |
355 | @retval EFI_DEVICE_ERROR Some device errors happen.\r | |
356 | \r | |
357 | **/\r | |
358 | EFI_STATUS\r | |
359 | PeiUsbRead10 (\r | |
360 | IN EFI_PEI_SERVICES **PeiServices,\r | |
361 | IN PEI_BOT_DEVICE *PeiBotDevice,\r | |
362 | IN VOID *Buffer,\r | |
363 | IN EFI_PEI_LBA Lba,\r | |
364 | IN UINTN NumberOfBlocks\r | |
365 | )\r | |
366 | {\r | |
367 | ATAPI_PACKET_COMMAND Packet;\r | |
368 | ATAPI_READ10_CMD *Read10Packet;\r | |
369 | UINT16 MaxBlock;\r | |
370 | UINT16 BlocksRemaining;\r | |
371 | UINT16 SectorCount;\r | |
372 | UINT32 Lba32;\r | |
373 | UINT32 BlockSize;\r | |
374 | UINT32 ByteCount;\r | |
375 | VOID *PtrBuffer;\r | |
376 | EFI_STATUS Status;\r | |
377 | UINT16 TimeOut;\r | |
378 | \r | |
379 | //\r | |
380 | // prepare command packet for the Inquiry Packet Command.\r | |
381 | //\r | |
382 | ZeroMem (&Packet, sizeof (ATAPI_PACKET_COMMAND));\r | |
383 | Read10Packet = &Packet.Read10;\r | |
384 | Lba32 = (UINT32) Lba;\r | |
385 | PtrBuffer = Buffer;\r | |
386 | \r | |
387 | BlockSize = (UINT32) PeiBotDevice->Media.BlockSize;\r | |
388 | \r | |
389 | MaxBlock = (UINT16) (65535 / BlockSize);\r | |
390 | BlocksRemaining = (UINT16) NumberOfBlocks;\r | |
391 | \r | |
392 | Status = EFI_SUCCESS;\r | |
393 | while (BlocksRemaining > 0) {\r | |
394 | \r | |
395 | if (BlocksRemaining <= MaxBlock) {\r | |
396 | \r | |
397 | SectorCount = BlocksRemaining;\r | |
398 | \r | |
399 | } else {\r | |
400 | \r | |
401 | SectorCount = MaxBlock;\r | |
402 | }\r | |
403 | //\r | |
404 | // fill the Packet data structure\r | |
405 | //\r | |
406 | Read10Packet->opcode = ATA_CMD_READ_10;\r | |
407 | \r | |
408 | //\r | |
409 | // Lba0 ~ Lba3 specify the start logical block address of the data transfer.\r | |
410 | // Lba0 is MSB, Lba3 is LSB\r | |
411 | //\r | |
412 | Read10Packet->Lba3 = (UINT8) (Lba32 & 0xff);\r | |
413 | Read10Packet->Lba2 = (UINT8) (Lba32 >> 8);\r | |
414 | Read10Packet->Lba1 = (UINT8) (Lba32 >> 16);\r | |
415 | Read10Packet->Lba0 = (UINT8) (Lba32 >> 24);\r | |
416 | \r | |
417 | //\r | |
418 | // TranLen0 ~ TranLen1 specify the transfer length in block unit.\r | |
419 | // TranLen0 is MSB, TranLen is LSB\r | |
420 | //\r | |
421 | Read10Packet->TranLen1 = (UINT8) (SectorCount & 0xff);\r | |
422 | Read10Packet->TranLen0 = (UINT8) (SectorCount >> 8);\r | |
423 | \r | |
424 | ByteCount = SectorCount * BlockSize;\r | |
425 | \r | |
426 | TimeOut = (UINT16) (SectorCount * 2000);\r | |
427 | \r | |
428 | //\r | |
429 | // send command packet\r | |
430 | //\r | |
431 | Status = PeiAtapiCommand (\r | |
432 | PeiServices,\r | |
433 | PeiBotDevice,\r | |
434 | &Packet,\r | |
435 | (UINT8) sizeof (ATAPI_PACKET_COMMAND),\r | |
436 | (VOID *) PtrBuffer,\r | |
437 | ByteCount,\r | |
438 | EfiUsbDataIn,\r | |
439 | TimeOut\r | |
440 | );\r | |
441 | \r | |
442 | if (Status != EFI_SUCCESS) {\r | |
443 | return Status;\r | |
444 | }\r | |
445 | \r | |
446 | Lba32 += SectorCount;\r | |
447 | PtrBuffer = (UINT8 *) PtrBuffer + SectorCount * BlockSize;\r | |
448 | BlocksRemaining = (UINT16) (BlocksRemaining - SectorCount);\r | |
449 | }\r | |
450 | \r | |
451 | return Status;\r | |
452 | }\r | |
453 | \r | |
454 | /** \r | |
455 | Check if there is media according to sense data.\r | |
456 | \r | |
457 | @param SenseData Pointer to sense data.\r | |
458 | @param SenseCounts Count of sense data.\r | |
459 | \r | |
460 | @retval TRUE No media\r | |
461 | @retval FALSE Media exists\r | |
462 | \r | |
463 | **/\r | |
464 | BOOLEAN\r | |
465 | IsNoMedia (\r | |
466 | IN ATAPI_REQUEST_SENSE_DATA *SenseData,\r | |
467 | IN UINTN SenseCounts\r | |
468 | )\r | |
469 | {\r | |
470 | ATAPI_REQUEST_SENSE_DATA *SensePtr;\r | |
471 | UINTN Index;\r | |
472 | BOOLEAN NoMedia;\r | |
473 | \r | |
474 | NoMedia = FALSE;\r | |
475 | SensePtr = SenseData;\r | |
476 | \r | |
477 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
478 | \r | |
479 | switch (SensePtr->sense_key) {\r | |
480 | \r | |
481 | case ATA_SK_NOT_READY:\r | |
482 | switch (SensePtr->addnl_sense_code) {\r | |
483 | //\r | |
484 | // if no media, fill IdeDev parameter with specific info.\r | |
485 | //\r | |
486 | case ATA_ASC_NO_MEDIA:\r | |
487 | NoMedia = TRUE;\r | |
488 | break;\r | |
489 | \r | |
490 | default:\r | |
491 | break;\r | |
492 | }\r | |
493 | break;\r | |
494 | \r | |
495 | default:\r | |
496 | break;\r | |
497 | }\r | |
498 | \r | |
499 | SensePtr++;\r | |
500 | }\r | |
501 | \r | |
502 | return NoMedia;\r | |
503 | }\r | |
504 | \r | |
505 | /** \r | |
506 | Check if there is media error according to sense data.\r | |
507 | \r | |
508 | @param SenseData Pointer to sense data.\r | |
509 | @param SenseCounts Count of sense data.\r | |
510 | \r | |
511 | @retval TRUE Media error\r | |
512 | @retval FALSE No media error\r | |
513 | \r | |
514 | **/\r | |
515 | BOOLEAN\r | |
516 | IsMediaError (\r | |
517 | IN ATAPI_REQUEST_SENSE_DATA *SenseData,\r | |
518 | IN UINTN SenseCounts\r | |
519 | )\r | |
520 | {\r | |
521 | ATAPI_REQUEST_SENSE_DATA *SensePtr;\r | |
522 | UINTN Index;\r | |
523 | BOOLEAN Error;\r | |
524 | \r | |
525 | SensePtr = SenseData;\r | |
526 | Error = FALSE;\r | |
527 | \r | |
528 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
529 | \r | |
530 | switch (SensePtr->sense_key) {\r | |
531 | //\r | |
532 | // Medium error case\r | |
533 | //\r | |
534 | case ATA_SK_MEDIUM_ERROR:\r | |
535 | switch (SensePtr->addnl_sense_code) {\r | |
536 | case ATA_ASC_MEDIA_ERR1:\r | |
537 | //\r | |
538 | // fall through\r | |
539 | //\r | |
540 | case ATA_ASC_MEDIA_ERR2:\r | |
541 | //\r | |
542 | // fall through\r | |
543 | //\r | |
544 | case ATA_ASC_MEDIA_ERR3:\r | |
545 | //\r | |
546 | // fall through\r | |
547 | //\r | |
548 | case ATA_ASC_MEDIA_ERR4:\r | |
549 | Error = TRUE;\r | |
550 | break;\r | |
551 | \r | |
552 | default:\r | |
553 | break;\r | |
554 | }\r | |
555 | \r | |
556 | break;\r | |
557 | \r | |
558 | //\r | |
559 | // Medium upside-down case\r | |
560 | //\r | |
561 | case ATA_SK_NOT_READY:\r | |
562 | switch (SensePtr->addnl_sense_code) {\r | |
563 | case ATA_ASC_MEDIA_UPSIDE_DOWN:\r | |
564 | Error = TRUE;\r | |
565 | break;\r | |
566 | \r | |
567 | default:\r | |
568 | break;\r | |
569 | }\r | |
570 | break;\r | |
571 | \r | |
572 | default:\r | |
573 | break;\r | |
574 | }\r | |
575 | \r | |
576 | SensePtr++;\r | |
577 | }\r | |
578 | \r | |
579 | return Error;\r | |
580 | }\r | |
581 | \r | |
582 | /** \r | |
583 | Check if media is changed according to sense data.\r | |
584 | \r | |
585 | @param SenseData Pointer to sense data.\r | |
586 | @param SenseCounts Count of sense data.\r | |
587 | \r | |
588 | @retval TRUE There is media change event.\r | |
589 | @retval FALSE media is NOT changed.\r | |
590 | \r | |
591 | **/\r | |
592 | BOOLEAN\r | |
593 | IsMediaChange (\r | |
594 | IN ATAPI_REQUEST_SENSE_DATA *SenseData,\r | |
595 | IN UINTN SenseCounts\r | |
596 | )\r | |
597 | {\r | |
598 | ATAPI_REQUEST_SENSE_DATA *SensePtr;\r | |
599 | UINTN Index;\r | |
600 | BOOLEAN MediaChange;\r | |
601 | \r | |
602 | MediaChange = FALSE;\r | |
603 | \r | |
604 | SensePtr = SenseData;\r | |
605 | \r | |
606 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
607 | //\r | |
608 | // catch media change sense key and addition sense data\r | |
609 | //\r | |
610 | switch (SensePtr->sense_key) {\r | |
611 | case ATA_SK_UNIT_ATTENTION:\r | |
612 | switch (SensePtr->addnl_sense_code) {\r | |
613 | case ATA_ASC_MEDIA_CHANGE:\r | |
614 | MediaChange = TRUE;\r | |
615 | break;\r | |
616 | \r | |
617 | default:\r | |
618 | break;\r | |
619 | }\r | |
620 | break;\r | |
621 | \r | |
622 | default:\r | |
623 | break;\r | |
624 | }\r | |
625 | \r | |
626 | SensePtr++;\r | |
627 | }\r | |
628 | \r | |
629 | return MediaChange;\r | |
630 | }\r |